Mitsubishi Electric PUZ-WM60VAA.UK User Manual

SERVICE MANUAL
No. OCH727
R32
March 2020
PARTS CATALOG (OCB727)
<Outdoor unit>
[Model Name]
PUZ-WM50VHA
PUZ-WM60VAA
PUZ-WM85VAA
PUZ-WM85YAA
PUZ-WM112VAA
PUZ-WM112YAA
Salt proof model
PUZ-WM50VHA-BS
PUZ-WM60VAA-BS
PUZ-WM85VAA-BS
PUZ-WM85YAA-BS
PUZ-WM112VAA-BS
PUZ-WM112YAA-BS
CONTENTS
1. REFERENCE MANUAL ································ 2
2. SAFETY PRECAUTION ······························· 3
3. SPECIFICATIONS ······································ 10
4. DATA ··························································· 12
5. OUTLINES AND DIMENSIONS·················· 13
6. WIRING DIAGRAM ····································· 15
7. WIRING SPECIFICATIONS ························ 18
8. REFRIGERANT SYSTEM DIAGRAM ········ 19
9. TROUBLESHOOTING ································ 22
10. MONITORING THE OPERATION DATA BY THE REMOTE CONTROLLER ···· 60
11. DISASSEMBLY PROCEDURE ··················· 66
Note:
• This manual describes
service data of the outdoor
units only.
AIR TO WATER HEAT PUMP UNITS
[Service Ref.]
PUZ-WM50VHA.UK
PUZ-WM60VAA.UK
PUZ-WM85VAA.UK
PUZ-WM85YAA.UK
PUZ-WM112VAA.UK
PUZ-WM112YAA.UK
PUZ-WM50VHA-BS.UK
PUZ-WM60VAA-BS.UK
PUZ-WM85VAA-BS.UK
PUZ-WM85YAA-BS.UK
PUZ-WM112VAA-BS.UK
PUZ-WM112YAA-BS.UK
PUZ-WM50VHA.UK

Mitsubishi Electric PUZ-WM60VAA.UK Specifications

General

Brand	Mitsubishi Electric
Model	PUZ-WM60VAA.UK
Category	Heat Pump
Language	English

Summary

SAFETY PRECAUTIONS

Refrigerant Handling Cautions

Detailed precautions for R32 refrigerant, including warnings.

Service Safety Guidelines

Specific warnings and cautions for service personnel during operations.

Unit-Specific R32 Safety Measures

Safety measures for units using R32 refrigerant and work area checks.

SPECIFICATIONS

Outdoor Unit Technical Specifications

Detailed specifications for various outdoor unit models.

WIRING DIAGRAMS

Electrical Schematics for Outdoor Units

Wiring diagrams for various outdoor unit models.

WIRING SPECIFICATIONS

Field Electrical Wiring Requirements

Power wiring specifications and circuit ratings for outdoor units.

REFRIGERANT SYSTEM DIAGRAMS

Refrigerant Circuit Schematics

Diagrams illustrating the refrigerant flow and components.

TROUBLESHOOTING

Troubleshooting Overview and Self-Diagnosis

Guide to diagnosing issues using check codes and self-diagnosis.

Problem Resolution and Component Checks

MONITORING OPERATION DATA

Detailed Request Code Contents

DISASSEMBLY PROCEDURE

Removing High Pressure Switch, Sensor, Compressor

Removing Receiver and Heat Exchanger